The North Eastern Railway Class S (

LNER LNER or L.N.E.R. may refer to: *London and North Eastern Railway (1923–1947), a former railway company in the United Kingdom *London North Eastern Railway (2018–), a train operating company in the United Kingdom * Liquid neutral earthing resi ...

Class B13) was a

4-6-0 A 4-6-0 steam locomotive, under the Whyte notation for the classification of steam locomotives by wheel arrangement, has four leading wheels on two axles in a leading bogie and six powered and coupled driving wheels on three axles with the abs ...

type of

steam locomotive A steam locomotive is a locomotive that provides the force to move itself and other vehicles by means of the expansion of steam. It is fuelled by burning combustible material (usually coal, Fuel oil, oil or, rarely, Wood fuel, wood) to heat ...

designed for express passenger workings. The first example was built in 1899. They were very similar to the

NER Class S1 The NER Class S1 (LNER Class B14) was a class of 4-6-0 steam locomotives of the North Eastern Railway. It was designed by Wilson Worsdell and five locomotives were built between 1900 and 1901 at Gateshead works. The S1 was similar to the NER ...

, except for the smaller wheels of the former.

Design

They were designed to reduce

double heading In railroad terminology, double heading indicates the use of two locomotives at the front of a train, each operated individually by its own crew. The practice of triple-heading involves the use of three locomotives. The practice of multi-head ...

on the

East Coast Main Line The East Coast Main Line (ECML) is a electrified railway between its northern terminus at and southern terminus at . The key towns and cities of , , , , and are on the line. The line is a key transport artery on the eastern side of Grea ...

. However they steamed poorly, with a smaller and shallower grate than was used even by other locomotives at the time (a problem which also affected the B14s and later, the B15s), and the

4-4-0 4-4-0, in the Whyte notation, denotes a steam locomotive with a wheel arrangement of four leading wheels on two axles (usually in a leading bogie), four powered and coupled driving wheels on two axles, and no trailing wheels. First built in the ...

s of the

NER Class R The NER Class R (later, LNER Class D20) was a class of 4-4-0 steam locomotive, designed by Wilson Worsdell for the North Eastern Railway. They passed to the London and North Eastern Railway (LNER) in 1923. In 1936, some were rebuilt with lo ...

quickly replaced them, with the 4-4-2 layout being preferred for later express passenger designs. The class were re-classified as

London and North Eastern Railway The London and North Eastern Railway (LNER) was the second largest (after London, Midland and Scottish Railway, LMS) of the "Big Four (British railway companies), Big Four" railway companies created by the Railways Act 1921 in Britain. It ope ...

Class B13 in 1923.

Modifications

The first seven locomotives had

slide valve The slide valve is a rectilinear valve used to control the admission of steam into and emission of exhaust from the cylinder of a steam engine. Use In the 19th century, most steam locomotives used slide valves to control the flow of steam into ...

s, while the remainder had

piston valves Piston valves are one form of valve used to control the flow of steam within a steam engine or locomotive. They control the admission of steam into the cylinders and its subsequent exhausting, enabling a locomotive to move under its own power. ...

. The slide valve engines were later fitted with piston valves. Schmidt

superheater A superheater is a device used to convert saturated steam or wet steam into superheated steam or dry steam. Superheated steam is used in steam turbines for electricity generation, in some steam engines, and in processes such as steam reforming. ...

s were fitted between 1913 and 1925.

Numbering

Withdrawal

They were withdrawn between 1928 and 1938.

References

External links

* 4-6-0 locomotives 2′C n2 locomotives 2′C h2 locomotives S Railway locomotives introduced in 1899 Scrapped locomotives Standard-gauge steam locomotives of Great Britain Passenger locomotives in the United Kingdom {{England-steam-loco-stub